Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth W9 Series

1XKWP4TX3MR410349 · Truck-Tractor · TRUCK
W900
Carriers run under1
23 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJan 15, 2024
PA
Last seenDec 23, 2025
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWP4TX3MR410349
Make
Kenworth
Model
W9 Series
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 3, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WP4TX

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1991 or 2021

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
410349

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
KENWORTH

Prefix basis · 277 decoded VINs at 100.0% prefix purity.

Model
W9 Series

Prefix basis · 277 decoded VINs at 100.0% prefix purity.

Model line
W900

Sourced label · prefix basis 277 decoded VINs at 100.0% prefix purity.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 15, 2024 – Dec 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 23, 2025PAII · Walk-around3—KRIGER CONSTRUCTION INC 2256842VBH4506/PA
Jan 15, 2024PAII · Walk-around20OOSKRIGER CONSTRUCTION INC 2256842AH04128/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KRIGER CONSTRUCTION INC2256842Jan 15, 2024Dec 23, 20252PA
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
VBH4506PA—KRIGER CONSTRUCTION INCDec 23, 2025 → Dec 23, 20251
AH04128PA—KRIGER CONSTRUCTION INCJan 15, 2024 → Jan 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 3, 2026